description Hamoun Lakes Overview
The Hamoun Lakes are a group of shallow, seasonally variable freshwater wetlands and marshes in the Sistan Basin on the Iran-Afghanistan border. They are fed principally by the Helmand River within an inland drainage system, rather than draining to the sea. The Iranian wetlands include Ramsar-listed sites and provide habitat for migratory waterbirds, while changes in water flow can cause large parts of the lake and marsh complex to dry.
help Hamoun Lakes FAQ
Where are the Hamoun Lakes located?
The Hamoun Lakes are seasonal freshwater wetlands in the Sistan Basin on the Iran-Afghanistan border. They form an inland drainage system rather than flowing directly to the sea.
What river feeds the Hamoun Lakes?
The Helmand River is the principal source feeding the Hamoun wetland system. Water levels and lake extent vary strongly with river flow, rainfall, drought, and water use.
Are the Hamoun Lakes permanent lakes?
They are shallow and seasonally variable wetlands, so their water coverage can change greatly over time. Parts of the system may become marsh, open water, or exposed dry lakebed during drought.
Why are the Hamoun Lakes ecologically important?
They provide wetland habitat in the arid Sistan Basin and support migratory and resident wildlife. Their health depends on the flow of the Helmand River and the wider cross-border water system.
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